Troubleshooting steps to help you connect to Diablo III
How to block communication from another player in Diablo III.
Troubleshooting for unresponsive mouse cursor issues in Diablo III
These errors can be caused by temporary server issues in a specific region.
How to report a bug in Diablo III
Information on the Diablo III starter edition.
Player reports they had heroes they use to play in Diablo III and they're now missing.
Enabling the Command Key + Click combination on Mac systems.
Instructions to enable vertical sync in applicable games.